Image analysis – Image compression or coding – Interframe coding
Patent
1996-02-21
2000-12-05
Chang, Jon
Image analysis
Image compression or coding
Interframe coding
348700, 382278, 386 51, G06K 936
Patent
active
061577448
ABSTRACT:
A system for detecting a point of change between video shots from a video having a plurality of succeeding frames. The system includes video playback apparatus for playing a video chronologically one frame at a time, and a display for displaying the video. The a processing device for calculating a feature quantity of video image data for each frame, determining a first correlation coefficient between a feature quantity of a current frame and a feature quantity calculated from an immediately preceding frame and determining a second correlation coefficient between the feature quantity of the current frame and a feature quantity of at least two frames preceding the current frame, and indicating on the display a point of change between video shots when the first correlation coefficient and the second correlation coefficient are out of predetermined allowable ranges. The correlation coefficients of each frame is stored and can be used by the processing device to dynamically change a reference used for detecting a point of change between video shots. The change in the reference is performed based on the stored correlation coefficients or feature quantities of past frames.
REFERENCES:
patent: 5083860 (1992-01-01), Miyatake
patent: 5099322 (1992-03-01), Gove
patent: 5635982 (1997-06-01), Zhang et al.
patent: 5642294 (1997-06-01), Taniguchi et al.
Fujita Takehiro
Miyatake Takafumi
Nagasaka Akio
Nagaya Shigeki
Tanaka Kazuaki
Chang Jon
Hitachi , Ltd.
Patel Jayanti K.
LandOfFree
Method and apparatus for detecting a point of change in a moving does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method and apparatus for detecting a point of change in a moving, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for detecting a point of change in a moving will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-968652